Answer: 100
Step-by-step explanation:
 
        
             
        
        
        
The geometric mean of two numbers is the square root of their product:

So, if the product is 8, the geometric mean is 
 
        
             
        
        
        
Answer:
7(4 - x^2)
Step-by-step explanation:
Well you just factor out 7, since that is the GCF. 7(4 - x^2)
Hope this helps
 
        
             
        
        
        
Answer:
87.5
Step-by-step explanation:
-2